limestone或者bluestone
青斗石,俗称青石,陇石,又名青岛石,青草石,石质偏绿,式辉长石家族的一员,地质上学名为辉绿岩.
青石 [qīnɡshí]
1. noun “bluestone”; can be used in buildings, or in steles, etc.
那块青石上刻着几个秀美的大字.
A few large delicate words are carved in the cyan stone.
2. noun “limestone”;a common name for 石灰岩.
石灰岩的俗称是青石.
Limestone is colloquially called cyan stone.